000			00327nam a2200133Ia 4500
008			200615s9999||||xx |||||||||||||| ||und||
020			_a9789352601882
082			_a621.3 _bNON-B
100			_aB.H.KHAN
245		0	_aNON CONVENTIONAL ENERGY RESOURCES
250			_a3RD
260			_anew delhi _bMC GRAW HILL _c2017
942			_cBK
999			_c29433 _d29433